<?php
/**
 * OSS(Open Storage Services) PHP SDK v1.1.6
 */
//设置默认时区
date_default_timezone_set('Asia/Shanghai');

//检测API路径
if(!defined('OSS_API_PATH'))
    define('OSS_API_PATH', dirname(__FILE__));


//加载conf.inc.php文件
require_once OSS_API_PATH . DIRECTORY_SEPARATOR . 'conf.inc.php';

//加载RequestCore
require_once OSS_API_PATH.DIRECTORY_SEPARATOR.'lib'.DIRECTORY_SEPARATOR.'requestcore'.DIRECTORY_SEPARATOR.'requestcore.class.php';

//加载MimeTypes
require_once OSS_API_PATH.DIRECTORY_SEPARATOR.'util'.DIRECTORY_SEPARATOR.'mimetypes.class.php';

//检测语言包
if(file_exists(OSS_API_PATH.DIRECTORY_SEPARATOR.'lang'.DIRECTORY_SEPARATOR.ALI_LANG.'.inc.php')){
    require_once OSS_API_PATH.DIRECTORY_SEPARATOR.'lang'.DIRECTORY_SEPARATOR.ALI_LANG.'.inc.php';
}else{
    throw new OSS_Exception(OSS_LANG_FILE_NOT_EXIST);
}

//定义软件名称，版本号等信息
define('OSS_NAME','oss-sdk-php');
define('OSS_VERSION','1.1.6');
define('OSS_BUILD','201210121010245');
define('OSS_AUTHOR', 'xiaobing.meng@alibaba-inc.com');

// EXCEPTIONS

/**
 * OSS异常类，继承自基类
 */
class OSS_Exception extends Exception {}


//检测get_loaded_extensions函数是否被禁用。由于有些版本把该函数禁用了，所以先检测该函数是否存在。
if(function_exists('get_loaded_extensions')){
    //检测curl扩展
    $extensions = get_loaded_extensions();
    if($extensions){
        if(!in_array('curl', $extensions)){
            throw new OSS_Exception(OSS_CURL_EXTENSION_MUST_BE_LOAD);
        }
    }else{
        throw new OSS_Exception(OSS_NO_ANY_EXTENSIONS_LOADED);
    }
}else{
    throw new OSS_Exception('Function get_loaded_extensions has been disabled,Pls check php config.');
}


//CLASS
/**
 * OSS基础类
 * @author xiaobing.meng@alibaba-inc.com
 * @since 2012-05-31
 */
class OSS_Lite{
    /*%******************************************************************************************%*/
    // CONSTANTS

    /**
     * OSS服务地址
     */
    //const DEFAULT_OSS_HOST = 'oss.aliyuncs.com';
    //const DEFAULT_OSS_HOST = 'oss-cn-qingdao.aliyuncs.com';
    const DEFAULT_OSS_HOST = 'oss-cn-qingdao-internal.aliyuncs.com';
    //const DEFAULT_OSS_HOST = '10.230.201.90';
    /**
     * 软件名称
     */
    const NAME = OSS_NAME;

    /**
     * OSS软件Build ID
     */
    const BUILD = OSS_BUILD;

    /**
     * 版本号
     */
    const VERSION = OSS_VERSION;

    /**
     * 作者
     */
    const AUTHOR = OSS_AUTHOR;

    /*%******************************************************************************************%*/
    //OSS 内部常量

    const OSS_BUCKET = 'bucket';
    const OSS_OBJECT = 'object';
    const OSS_HEADERS = 'headers';
    const OSS_METHOD = 'method';
    const OSS_QUERY = 'query';
    const OSS_BASENAME = 'basename';
    const OSS_MAX_KEYS = 'max-keys';
    const OSS_UPLOAD_ID = 'uploadId';
    const OSS_MAX_KEYS_VALUE = 100;
    const OSS_MAX_OBJECT_GROUP_VALUE = 1000;
    const OSS_FILE_SLICE_SIZE = 8192;
    const OSS_PREFIX = 'prefix';
    const OSS_DELIMITER = 'delimiter';
    const OSS_MARKER = 'marker';
    const OSS_CONTENT_MD5 = 'Content-Md5';
    const OSS_CONTENT_TYPE = 'Content-Type';
    const OSS_CONTENT_LENGTH = 'Content-Length';
    const OSS_IF_MODIFIED_SINCE = 'If-Modified-Since';
    const OSS_IF_UNMODIFIED_SINCE = 'If-Unmodified-Since';
    const OSS_IF_MATCH = 'If-Match';
    const OSS_IF_NONE_MATCH = 'If-None-Match';
    const OSS_CACHE_CONTROL = 'Cache-Control';
    const OSS_EXPIRES = 'Expires';
    const OSS_PREAUTH = 'preauth';
    const OSS_CONTENT_COING = 'Content-Coding';
    const OSS_CONTENT_DISPOSTION = 'Content-Disposition';
    const OSS_RANGE = 'Range';
    const OS_CONTENT_RANGE = 'Content-Range';
    const OSS_CONTENT = 'content';
    const OSS_BODY = 'body';
    const OSS_LENGTH = 'length';
    const OSS_HOST = 'Host';
    const OSS_DATE = 'Date';
    const OSS_AUTHORIZATION = 'Authorization';
    const OSS_FILE_DOWNLOAD = 'fileDownload';
    const OSS_FILE_UPLOAD = 'fileUpload';
    const OSS_PART_SIZE = 'partSize';
    const OSS_SEEK_TO = 'seekTo';
    const OSS_SIZE = 'size';
    const OSS_QUERY_STRING = 'query_string';
    const OSS_SUB_RESOURCE = 'sub_resource';
    const OSS_DEFAULT_PREFIX = 'x-oss-';

    /*%******************************************************************************************%*/
    //私有URL变量

    const OSS_URL_ACCESS_KEY_ID = 'OSSAccessKeyId';
    const OSS_URL_EXPIRES = 'Expires';
    const OSS_URL_SIGNATURE = 'Signature';

    /*%******************************************************************************************%*/
    //HTTP方法

    const OSS_HTTP_GET = 'GET';
    const OSS_HTTP_PUT = 'PUT';
    const OSS_HTTP_HEAD = 'HEAD';
    const OSS_HTTP_POST = 'POST';
    const OSS_HTTP_DELETE = 'DELETE';
    const OSS_HTTP_OPTIONS = 'OPTIONS';

    /*%******************************************************************************************%*/
    //其他常量

    //x-oss
    const OSS_ACL = 'x-oss-acl';

    //OBJECT GROUP
    const OSS_OBJECT_GROUP = 'x-oss-file-group';

    //Multi Part
    const OSS_MULTI_PART = 'uploads';

    //Multi Delete
    const OSS_MULTI_DELETE = 'delete';

    //OBJECT COPY SOURCE
    const OSS_OBJECT_COPY_SOURCE = 'x-oss-copy-source';

    //private,only owner
    const OSS_ACL_TYPE_PRIVATE = 'private';

    //public reand
    const OSS_ACL_TYPE_PUBLIC_READ = 'public-read';

    //public read write
    const OSS_ACL_TYPE_PUBLIC_READ_WRITE = 'public-read-write';

    //OSS ACL数组
    static $OSS_ACL_TYPES = array(
        self::OSS_ACL_TYPE_PRIVATE,
        self::OSS_ACL_TYPE_PUBLIC_READ,
        self::OSS_ACL_TYPE_PUBLIC_READ_WRITE
    );

    const OSS_CORS_ALLOWED_ORIGIN='AllowedOrigin';
    const OSS_CORS_ALLOWED_METHOD='AllowedMethod';
    const OSS_CORS_ALLOWED_HEADER='AllowedHeader';
    const OSS_CORS_EXPOSE_HEADER='ExposeHeader';
    const OSS_CORS_MAX_AGE_SECONDS='MaxAgeSeconds';


    const OSS_OPTIONS_ORIGIN = 'Origin';
    const OSS_OPTIONS_REQUEST_METHOD = 'Access-Control-Request-Method';
    const OSS_OPTIONS_REQUEST_HEADERS = 'Access-Control-Request-Headers';

    /*%******************************************************************************************%*/
    // PROPERTIES

    /**
     * 是否使用SSL
     */
    protected $use_ssl = false;

    /**
     * 是否开启debug模式
     */
    private $debug_mode = true;

    /**
     * 最大重试次数
     */
    private $max_retries = 3;

    /**
     * 已经重试次数
     */
    private   $redirects = 0;

    /**
     * 虚拟地址
     */
    private $vhost;

    /**
     * 路径表现方式
     */
    private $enable_domain_style = false;

    /**
     * 请求URL
     */
    private  $request_url;

    /**
     * OSS API ACCESS ID
     */
    private $access_id;

    /**
     * OSS API ACCESS KEY
     */
    private $access_key;

    /**
     * hostname
     */
    private $hostname;

    /**
     * port number
     */
    private $port;

    /*%******************************************************************************************************%*/
    //Constructor

    /**
     * 默认构造函数
     * @param string $_access_id (Optional)
     * @param string $access_key (Optional)
     * @param string $hostname (Optional)
     * @throws OSS_Exception
     * @author	xiaobing.meng@alibaba-inc.com
     * @since	2011-11-08
     */
    public function __construct($access_id = NULL, $access_key = NULL, $hostname = NULL  ){
        //验证access_id,access_key
        if(!$access_id && !defined('OSS_ACCESS_ID')){
            throw new OSS_Exception(NOT_SET_OSS_ACCESS_ID);
        }

        if(!$access_key && !defined('OSS_ACCESS_KEY')){
            throw new OSS_Exception(NOT_SET_OSS_ACCESS_KEY);
        }

        if($access_id && $access_key){
            $this->access_id = $access_id;
            $this->access_key = $access_key;
        }elseif (defined('OSS_ACCESS_ID') && defined('OSS_ACCESS_KEY')){
            $this->access_id = OSS_ACCESS_ID;
            $this->access_key = OSS_ACCESS_KEY;
        }else{
            throw new OSS_Exception(NOT_SET_OSS_ACCESS_ID_AND_ACCESS_KEY);
        }

        //校验access_id&access_key
        if(empty($this->access_id) || empty($this->access_key)){
            throw new OSS_Exception(OSS_ACCESS_ID_OR_ACCESS_KEY_EMPTY);
        }

        //校验hostname
        if(NULL === $hostname){
            $this->hostname = self::DEFAULT_OSS_HOST;
        }else{
            $this->hostname = $hostname;
        }
    }


    /*%******************************************************************************************************%*/
    //属性

    /**
     * 设置debug模式
     * @param boolean $debug_mode (Optional)
     * @author xiaobing.meng@alibaba-inc.com
     * @since 2012-05-29
     * @return void
     */
    public function set_debug_mode($debug_mode = true){
        $this->debug_mode = $debug_mode;
    }

    /**
     * 设置最大尝试次数
     * @param int $max_retries
     * @author xiaobing.meng@alibaba-inc.com
     * @since 2012-05-29
     * @return void
     */
    public function set_max_retries($max_retries = 3){
        $this->max_retries = $max_retries;
    }

    /**
     * 获取最大尝试次数
     * @author xiaobing.meng@alibaba-inc.com
     * @since 2012-05-29
     * @return int
     */
    public function get_max_retries(){
        return $this->max_retries;
    }

    /**
     * 设置host地址
     * @author xiaobing.meng@alibaba-inc.com
     * @param string $hostname host name
     * @param int	$port int
     * @since 2012-06-11
     * @return void
     */
    public function set_host_name($hostname, $port = null){
        $this->hostname = $hostname;

        if($port){
            $this->port = $port;
            $this->hostname .= ':'.$port;
        }
    }

    /**
     * 设置vhost地址
     * @author xiaobing.meng@alibaba-inc.com
     * @param string $vhost vhost
     * @since 2012-06-11
     * @return void
     */
    public function set_vhost($vhost){
        $this->vhost = $vhost;
    }

    /**
     * 设置路径形式，如果为true,则启用三级域名，如bucket.oss.aliyuncs.com
     * @author xiaobing.meng@alibaba-inc.com
     * @param boolean $enable_domain_style
     * @since 2012-06-11
     * @return void
     */
    public function set_enable_domain_style($enable_domain_style = true){
        $this->enable_domain_style = $enable_domain_style;
    }


    /*%******************************************************************************************************%*/
    //请求

    /**
     * Authorization
     * @param array $options (Required)
     * @throws OSS_Exception
     * @author xiaobing.meng@alibaba-inc.com
     * @since 2012-05-31
     */
    public function auth($options){
        //开始记录LOG
        $msg = "---LOG START---------------------------------------------------------------------------\n";

        //验证Bucket,list_bucket时不需要验证
        if(!( ('/' == $options[self::OSS_OBJECT]) && ('' == $options[self::OSS_BUCKET]) && ('GET' == $options[self::OSS_METHOD])) && !$this->validate_bucket($options[self::OSS_BUCKET])){
            throw new OSS_Exception('"'.$options[self::OSS_BUCKET].'"'.OSS_BUCKET_NAME_INVALID);
        }

        //验证Object
        if(isset($options[self::OSS_OBJECT]) && !$this->validate_object($options[self::OSS_OBJECT])){
            throw  new OSS_Exception($options[self::OSS_OBJECT].OSS_OBJECT_NAME_INVALID);
        }

        //Object编码为UTF-8
        if($this->is_gb2312($options[self::OSS_OBJECT])){
            $options[self::OSS_OBJECT] = iconv('GB2312', "UTF-8",$options[self::OSS_OBJECT]);
        }elseif($this->check_char($options[self::OSS_OBJECT],true)){
            $options[self::OSS_OBJECT] = iconv('GBK', "UTF-8",$options[self::OSS_OBJECT]);
        }


        //验证ACL
        if(isset($options[self::OSS_HEADERS][self::OSS_ACL]) && !empty($options[self::OSS_HEADERS][self::OSS_ACL])){
            if(!in_array(strtolower($options[self::OSS_HEADERS][self::OSS_ACL]), self::$OSS_ACL_TYPES)){
                throw new OSS_Exception($options[self::OSS_HEADERS][self::OSS_ACL].':'.OSS_ACL_INVALID);
            }
        }


        //定义scheme
        $scheme = $this->use_ssl ? 'https://' : 'http://';

        if($this->enable_domain_style){
            $hostname = $this->vhost ? $this->vhost : (($options[self::OSS_BUCKET] =='')?$this->hostname:($options[self::OSS_BUCKET].'.').$this->hostname);
        }else{
            $hostname = (isset($options[self::OSS_BUCKET]) && ''!==$options[self::OSS_BUCKET])?$this->hostname.'/'.$options[self::OSS_BUCKET]:$this->hostname;
        }


        //请求参数
        $resource = '';
        $sub_resource = '';
        $signable_resource = '';
        $query_string_params = array();
        $signable_query_string_params = array();
        $string_to_sign = '';

        $headers = array (
            self::OSS_CONTENT_MD5 => '',
            self::OSS_CONTENT_TYPE => isset($options[self::OSS_CONTENT_TYPE])?$options[self::OSS_CONTENT_TYPE]:'application/x-www-form-urlencoded',
            self::OSS_DATE => isset($options[self::OSS_DATE])? $options[self::OSS_DATE]: gmdate('D, d M Y H:i:s \G\M\T'),
            self::OSS_HOST => $this->enable_domain_style?$hostname:$this->hostname,
        );

        if(isset ( $options [self::OSS_OBJECT] ) && '/' !== $options [self::OSS_OBJECT]){
            //$options[self::OSS_OBJECT] = $this->replace_invalid_xml_char($options[self::OSS_OBJECT]);
            $signable_resource = '/'.str_replace(array('%2F','%25'),array('/','%'), rawurlencode($options[self::OSS_OBJECT]));
        }

        if(isset($options[self::OSS_QUERY_STRING])){
            $query_string_params = array_merge($query_string_params,$options[self::OSS_QUERY_STRING]);
        }
        $query_string = $this->to_query_string($query_string_params);

        $signable_list = array(
            'partNumber',
            'uploadId',
        );

        foreach ($signable_list as $item){
            if(isset($options[$item])){
                $signable_query_string_params[$item] = $options[$item];
            }
        }
        $signable_query_string = $this->to_query_string($signable_query_string_params);

        //合并 HTTP headers
        if (isset ( $options [self::OSS_HEADERS] )) {
            $headers = array_merge ( $headers, $options [self::OSS_HEADERS] );
        }

        //生成请求URL
        $conjunction = '?';

        $non_signable_resource = '';

        if (isset($options[self::OSS_SUB_RESOURCE])){
            $signable_resource .= $conjunction . $options[self::OSS_SUB_RESOURCE];
            $conjunction = '&';
        }

        if($signable_query_string !== ''){
            $signable_query_string = $conjunction.$signable_query_string;
            $conjunction = '&';
        }

        if($query_string !== ''){
            $non_signable_resource .= $conjunction . $query_string;
            $conjunction = '&';
        }

        $this->request_url = 	 $scheme . $hostname . $signable_resource . $signable_query_string . $non_signable_resource;

        $msg .= "--REQUEST URL:----------------------------------------------\n".$this->request_url."\n";

        //创建请求
        $request = new RequestCore($this->request_url);

        // Streaming uploads
        if (isset($options[self::OSS_FILE_UPLOAD])){
            if (is_resource($options[self::OSS_FILE_UPLOAD])){
                $length = null;

                if (isset($options[self::OSS_CONTENT_LENGTH])){
                    $length = $options[self::OSS_CONTENT_LENGTH];
                }elseif (isset($options[self::OSS_SEEK_TO])){

                    $stats = fstat($options[self::OSS_FILE_UPLOAD]);

                    if ($stats && $stats[self::OSS_SIZE] >= 0){
                        $length = $stats[self::OSS_SIZE] - (integer) $options[self::OSS_SEEK_TO];
                    }
                }

                $request->set_read_stream($options[self::OSS_FILE_UPLOAD], $length);

                if ($headers[self::OSS_CONTENT_TYPE] === 'application/x-www-form-urlencoded'){
                    $headers[self::OSS_CONTENT_TYPE] = 'application/octet-stream';
                }
            }else{
                $request->set_read_file($options[self::OSS_FILE_UPLOAD]);

                $length = $request->read_stream_size;

                if (isset($options[self::OSS_CONTENT_LENGTH])){
                    $length = $options[self::OSS_CONTENT_LENGTH];
                }elseif (isset($options[self::OSS_SEEK_TO]) && isset($length)){
                    $length -= (integer) $options[self::OSS_SEEK_TO];
                }

                $request->set_read_stream_size($length);

                if (isset($headers[self::OSS_CONTENT_TYPE]) && ($headers[self::OSS_CONTENT_TYPE] === 'application/x-www-form-urlencoded')){
                    $extension = explode('.', $options[self::OSS_FILE_UPLOAD]);
                    $extension = array_pop($extension);
                    $mime_type = MimeTypes::get_mimetype($extension);
                    $headers[self::OSS_CONTENT_TYPE] = $mime_type;
                }
            }

            $options[self::OSS_CONTENT_MD5] = '';
        }

        if (isset($options[self::OSS_SEEK_TO])){
            $request->set_seek_position((integer) $options[self::OSS_SEEK_TO]);
        }

        if (isset($options[self::OSS_FILE_DOWNLOAD])){
            if (is_resource($options[self::OSS_FILE_DOWNLOAD])){
                $request->set_write_stream($options[self::OSS_FILE_DOWNLOAD]);
            }else{
                $request->set_write_file($options[self::OSS_FILE_DOWNLOAD]);
            }
        }


        if(isset($options[self::OSS_METHOD])){
            $request->set_method($options[self::OSS_METHOD]);
            $string_to_sign .= $options[self::OSS_METHOD] . "\n";
        }

        if (isset ( $options [self::OSS_CONTENT] )) {
            $request->set_body ( $options [self::OSS_CONTENT] );
            if ($headers[self::OSS_CONTENT_TYPE] === 'application/x-www-form-urlencoded'){
                $headers[self::OSS_CONTENT_TYPE] = 'application/octet-stream';
            }

            $headers[self::OSS_CONTENT_LENGTH] = strlen($options [self::OSS_CONTENT]);
            $headers[self::OSS_CONTENT_MD5] = $this->hex_to_base64(md5($options[self::OSS_CONTENT]));
        }

        uksort($headers, 'strnatcasecmp');

        foreach ( $headers as $header_key => $header_value ) {
            $header_value = str_replace ( array ("\r", "\n" ), '', $header_value );
            if ($header_value !== '') {
                $request->add_header ( $header_key, $header_value );
            }

            if (
                strtolower($header_key) === 'content-md5' ||
                strtolower($header_key) === 'content-type' ||
                strtolower($header_key) === 'date' ||
                (isset($options['self::OSS_PREAUTH']) && (integer) $options['self::OSS_PREAUTH'] > 0)
            ){
                $string_to_sign .= $header_value . "\n";
            }elseif (substr(strtolower($header_key), 0, 6) === self::OSS_DEFAULT_PREFIX){
                $string_to_sign .= strtolower($header_key) . ':' . $header_value . "\n";
            }
        }

        $string_to_sign .= '/' . $options[self::OSS_BUCKET];
        $string_to_sign .=  $this->enable_domain_style ? ($options[self::OSS_BUCKET]!=''? ($options[self::OSS_OBJECT]=='/'?'/':'') :'' ) : '';
        $string_to_sign .= rawurldecode($signable_resource) . urldecode($signable_query_string);

        $msg .= "STRING TO SIGN:----------------------------------------------\n".$string_to_sign."\n";

        $signature = base64_encode(hash_hmac('sha1', $string_to_sign, $this->access_key, true));
        $request->add_header('Authorization', 'OSS ' . $this->access_id . ':' . $signature);

        if (isset($options[self::OSS_PREAUTH]) && (integer) $options[self::OSS_PREAUTH] > 0){
            return $this->request_url . $conjunction . self::OSS_URL_ACCESS_KEY_ID.'=' . $this->access_id . '&'.self::OSS_URL_EXPIRES.'=' . $options[self::OSS_PREAUTH] . '&'.self::OSS_URL_SIGNATURE.'=' . rawurlencode($signature);
        }elseif (isset($options[self::OSS_PREAUTH])){
            return $this->request_url;
        }

        if ($this->debug_mode){
            $request->debug_mode = $this->debug_mode;
        }

        $msg .= "REQUEST HEADERS:----------------------------------------------\n".serialize($request->request_headers)."\n";

        $request->send_request();

        $response_header = $request->get_response_header();
        $response_header['x-oss-request-url'] = $this->request_url;
        $response_header['x-oss-redirects'] = $this->redirects;
        $response_header['x-oss-stringtosign'] = $string_to_sign;
        $response_header['x-oss-requestheaders'] = $request->request_headers;

        $msg .= "RESPONSE HEADERS:----------------------------------------------\n".serialize($response_header)."\n";

        $data =  new ResponseCore ( $response_header , $request->get_response_body (), $request->get_response_code () );

        if((integer)$request->get_response_code() === 400 /*Bad Request*/ || (integer)$request->get_response_code() === 500 /*Internal Error*/ || (integer)$request->get_response_code() === 503 /*Service Unavailable*/){
            if($this->redirects <= $this->max_retries ){
                //设置休眠
                $delay = (integer) (pow(4, $this->redirects) * 100000);
                usleep($delay);
                $this->redirects++;
                $data = $this->auth($options);
            }
        }

        $msg .= "RESPONSE DATA:----------------------------------------------\n".serialize($data)."\n";
        $msg .= date('Y-m-d H:i:s').":---LOG END---------------------------------------------------------------------------\n";
        //add log
        $this->log($msg);

        $this->redirects = 0;
        return $data;
    }


    /*%******************************************************************************************************%*/
    //Service Operation

    /**
     * Get Bucket list
     * @param array $options (Optional)
     * @throws OSS_Exception
     * @author xiaobing.meng@alibaba-inc.com
     * @since 2011-11-14
     * @return ResponseCore
     */
    public function list_bucket($options = NULL) {
        //$options
        $this->validate_options($options);

        if (! $options) {
            $options = array ();
        }

        $options[self::OSS_BUCKET] = '';
        $options[self::OSS_METHOD] = self::OSS_HTTP_GET;
        $options[self::OSS_OBJECT] = '/';
        $response = $this->auth ( $options );

        return $response;
    }


    /*%******************************************************************************************************%*/
    //Bucket Operation

    /**
     * Create Bucket
     * @param string $bucket (Required)
     * @param string $acl (Optional)
     * @param array $options (Optional)
     * @author xiaobing.meng@alibaba-inc.com
     * @since 2011-11-14
     * @return ResponseCore
     */
    public function create_bucket($bucket, $acl = self::OSS_ACL_TYPE_PRIVATE, $options = NULL){
        //$options
        $this->validate_options($options);

        if (! $options) {
            $options = array ();
        }

        //bucket
        $this->is_empty($bucket,OSS_BUCKET_IS_NOT_ALLOWED_EMPTY);

        $options[self::OSS_BUCKET] = $bucket;
        $options[self::OSS_METHOD] = self::OSS_HTTP_PUT;
        $options[self::OSS_OBJECT] = '/';
        $options[self::OSS_HEADERS] = array(self::OSS_ACL => $acl);
        $response = $this->auth ( $options );

        return $response;
    }

    /**
     * Delete Bucket
     * @param string $bucket (Required)
     * @param array $options (Optional)
     * @author xiaobing.meng@alibaba-inc.com
     * @since 2011-11-14
     * @return ResponseCore
     */
    public function delete_bucket($bucket, $options = NULL){
        //$options
        $this->validate_options($options);

        if (! $options) {
            $options = array ();
        }

        //bucket
        $this->is_empty($bucket,OSS_BUCKET_IS_NOT_ALLOWED_EMPTY);

        $options[self::OSS_BUCKET] = $bucket;
        $options[self::OSS_METHOD] = self::OSS_HTTP_DELETE;
        $options[self::OSS_OBJECT] = '/';
        $response = $this->auth ( $options );

        return $response;
    }

    /**
     * Get Bucket's ACL
     * @param string $bucket (Required)
     * @param array $options (Optional)
     * @throws OSS_Exception
     * @author xiaobing.meng@alibaba-inc.com
     * @since 2011-11-14
     * @return ResponseCore
     */
    public function get_bucket_acl($bucket, $options = NULL){
        //options
        $this->validate_options($options);

        if(!$options){
            $options = array();
        }

        //bucket
        $this->is_empty($bucket,OSS_BUCKET_IS_NOT_ALLOWED_EMPTY);

        $options[self::OSS_BUCKET] = $bucket;
        $options[self::OSS_METHOD] = self::OSS_HTTP_GET;
        $options[self::OSS_OBJECT] = '/';
        $options[self::OSS_SUB_RESOURCE] = 'acl';
        $response = $this->auth ( $options );

        return $response;
    }

    /**
     * Set Bucket'ACL
     * @param string $bucket (Required)
     * @param string $acl  (Required)
     * @param array $options (Optional)
     * @throws OSS_Exception
     * @author xiaobing.meng@alibaba-inc.com
     * @since 2011-11-14
     * @return ResponseCore
     */
    public function set_bucket_acl($bucket, $acl, $options = NULL){
        //options
        $this->validate_options($options);

        if(!$options){
            $options = array();
        }

        //bucket
        $this->is_empty($bucket,OSS_BUCKET_IS_NOT_ALLOWED_EMPTY);

        $options[self::OSS_BUCKET] = $bucket;
        $options[self::OSS_METHOD] = self::OSS_HTTP_PUT;
        $options[self::OSS_OBJECT] = '/';
        $options[self::OSS_HEADERS] = array(self::OSS_ACL => $acl);
        $response = $this->auth ( $options );

        return $response;
    }

    /**
     * Get Bucket's Logging
     * @param string $bucket (Required)
     * @param array $options (Optional)
     * @throws OSS_Exception
     * @author lijie.ma@alibaba-inc.com
     * @since 2014-05-04
     * @return ResponseCore
     */
    public function get_bucket_logging($bucket, $options = NULL){
        //options
        $this->validate_options($options);

        if(!$options){
            $options = array();
        }

        //bucket
        $this->is_empty($bucket,OSS_BUCKET_IS_NOT_ALLOWED_EMPTY);

        $options[self::OSS_BUCKET] = $bucket;
        $options[self::OSS_METHOD] = self::OSS_HTTP_GET;
        $options[self::OSS_OBJECT] = '/';
        $options[self::OSS_SUB_RESOURCE] = 'logging';
        $response = $this->auth ($options);

        return $response;
    }

    /**
     * Set Bucket's Logging
     * @param string $bucket (Required)
     * @param string $target_bucket  (Required)
     * @param string $target_prefix  (Optional)
     * @param array $options (Optional)
     * @throws OSS_Exception
     * @author lijie.ma@alibaba-inc.com
     * @since 2014-05-04
     * @return ResponseCore
     */
    public function set_bucket_logging($bucket, $target_bucket, $target_prefix, $options = NULL){
        //options
        $this->validate_options($options);

        if(!$options){
            $options = array();
        }

        //bucket
        $this->is_empty($bucket,OSS_BUCKET_IS_NOT_ALLOWED_EMPTY);
        $this->is_empty($target_bucket,OSS_TARGET_BUCKET_IS_NOT_ALLOWED_EMPTY);

        $options[self::OSS_BUCKET] = $bucket;
        $options[self::OSS_METHOD] = self::OSS_HTTP_PUT;
        $options[self::OSS_OBJECT] = '/';
        $options[self::OSS_SUB_RESOURCE] = 'logging';
        $options[self::OSS_CONTENT_TYPE] = 'application/xml';

        $xml = new SimpleXMLElement('<?xml version="1.0" encoding="utf-8"?><BucketLoggingStatus></BucketLoggingStatus>');
        $logging_enabled_part=$xml->addChild('LoggingEnabled');
        $logging_enabled_part->addChild('TargetBucket', $target_bucket);
        $logging_enabled_part->addChild('TargetPrefix', $target_prefix);

        $options[self::OSS_CONTENT] = $xml->asXML();
        echo	$xml->asXML();
        return $this->auth($options);
    }

    /**
     * Delete Bucket's Logging
     * @param string $bucket (Required)
     * @param array $options (Optional)
     * @throws OSS_Exception
     * @author lijie.ma@alibaba-inc.com
     * @since 2014-05-04
     * @return ResponseCore
     */
    public function delete_bucket_logging($bucket, $options = NULL){
        //options
        $this->validate_options($options);

        if(!$options){
            $options = array();
        }

        //bucket
        $this->is_empty($bucket,OSS_BUCKET_IS_NOT_ALLOWED_EMPTY);

        $options[self::OSS_BUCKET] = $bucket;
        $options[self::OSS_METHOD] = self::OSS_HTTP_DELETE;
        $options[self::OSS_OBJECT] = '/';
        $options[self::OSS_SUB_RESOURCE] = 'logging';
        $response = $this->auth ($options);

        return $response;
    }

    /**
     * Set Bucket's Website
     * @param string $bucket (Required)
     * @param string $index_document  (Required)
     * @param string $error_document  (Optional)
     * @param array $options (Optional)
     * @throws OSS_Exception
     * @author lijie.ma@alibaba-inc.com
     * @since 2014-05-04
     * @return ResponseCore
     */
    public function set_bucket_website($bucket, $index_document, $error_document, $options = NULL){
        //options
        $this->validate_options($options);

        if(!$options){
            $options = array();
        }

        //bucket
        $this->is_empty($bucket,OSS_BUCKET_IS_NOT_ALLOWED_EMPTY);
        $this->is_empty($index_document,OSS_INDEX_DOCUMENT_IS_NOT_ALLOWED_EMPTY);

        $options[self::OSS_BUCKET] = $bucket;
        $options[self::OSS_METHOD] = self::OSS_HTTP_PUT;
        $options[self::OSS_OBJECT] = '/';
        $options[self::OSS_SUB_RESOURCE] = 'website';
        $options[self::OSS_CONTENT_TYPE] = 'application/xml';

        $xml = new SimpleXMLElement('<?xml version="1.0" encoding="utf-8"?><WebsiteConfiguration></WebsiteConfiguration>');
        $index_document_part=$xml->addChild('IndexDocument');
        $error_document_part=$xml->addChild('ErrorDocument');

        $index_document_part->addChild('Suffix', $index_document);
        $error_document_part->addChild('Key', $error_document);

        $options[self::OSS_CONTENT] = $xml->asXML();
        echo	$xml->asXML();
        return $this->auth($options);
    }

    /**
     * Get Bucket's Website
     * @param string $bucket (Required)
     * @param array $options (Optional)
     * @throws OSS_Exception
     * @author lijie.ma@alibaba-inc.com
     * @since 2014-05-04
     * @return ResponseCore
     */
    public function get_bucket_website($bucket, $options = NULL){
        //options
        $this->validate_options($options);

        if(!$options){
            $options = array();
        }

        //bucket
        $this->is_empty($bucket,OSS_BUCKET_IS_NOT_ALLOWED_EMPTY);

        $options[self::OSS_BUCKET] = $bucket;
        $options[self::OSS_METHOD] = self::OSS_HTTP_GET;
        $options[self::OSS_OBJECT] = '/';
        $options[self::OSS_SUB_RESOURCE] = 'website';
        $response = $this->auth ($options);

        return $response;
    }

    /**
     * Delete Bucket's Website
     * @param string $bucket (Required)
     * @param array $options (Optional)
     * @throws OSS_Exception
     * @author lijie.ma@alibaba-inc.com
     * @since 2014-05-04
     * @return ResponseCore
     */
    public function delete_bucket_website($bucket, $options = NULL){
        //options
        $this->validate_options($options);

        if(!$options){
            $options = array();
        }

        //bucket
        $this->is_empty($bucket,OSS_BUCKET_IS_NOT_ALLOWED_EMPTY);

        $options[self::OSS_BUCKET] = $bucket;
        $options[self::OSS_METHOD] = self::OSS_HTTP_DELETE;
        $options[self::OSS_OBJECT] = '/';
        $options[self::OSS_SUB_RESOURCE] = 'website';
        $response = $this->auth ($options);

        return $response;
    }

    /**
     * Set Bucket's Cors
     * @param string $bucket (Required)
     * @param array $cors_rules  (Required)
     * @param array $options (Optional)
     * @throws OSS_Exception
     * @author lijie.ma@alibaba-inc.com
     * @since 2014-05-04
     * @return ResponseCore
     */
    public function set_bucket_cors($bucket, $cors_rules, $options = NULL){
        //options
        $this->validate_options($options);

        if(!$options){
            $options = array();
        }

        //bucket
        $this->is_empty($bucket,OSS_BUCKET_IS_NOT_ALLOWED_EMPTY);

        $options[self::OSS_BUCKET] = $bucket;
        $options[self::OSS_METHOD] = self::OSS_HTTP_PUT;
        $options[self::OSS_OBJECT] = '/';
        $options[self::OSS_SUB_RESOURCE] = 'cors';
        $options[self::OSS_CONTENT_TYPE] = 'application/xml';

        $xml = new SimpleXMLElement('<?xml version="1.0" encoding="utf-8"?><CORSConfiguration></CORSConfiguration>');

        foreach ($cors_rules as $cors_rule){
            $cors_rule_part = $xml->addChild('CORSRule');

            foreach ($cors_rule[self::OSS_CORS_ALLOWED_ORIGIN] as $value){
                $cors_rule_part->addChild(self::OSS_CORS_ALLOWED_ORIGIN, $value);
            }

            foreach ($cors_rule[self::OSS_CORS_ALLOWED_HEADER] as $value){
                $cors_rule_part->addChild(self::OSS_CORS_ALLOWED_HEADER, $value);
            }

            foreach ($cors_rule[self::OSS_CORS_ALLOWED_METHOD] as $value){
                $cors_rule_part->addChild(self::OSS_CORS_ALLOWED_METHOD, $value);
            }

            foreach ($cors_rule[self::OSS_CORS_EXPOSE_HEADER] as $value){
                $cors_rule_part->addChild(self::OSS_CORS_EXPOSE_HEADER, $value);
            }

            $cors_rule_part->addChild(self::OSS_CORS_MAX_AGE_SECONDS, $cors_rule[self::OSS_CORS_MAX_AGE_SECONDS]);
        }

        $options[self::OSS_CONTENT] = $xml->asXML();
        return $this->auth($options);
    }
    /**
     * Get Bucket's Cors
     * @param string $bucket (Required)
     * @param array $options (Optional)
     * @throws OSS_Exception
     * @author lijie.ma@alibaba-inc.com
     * @since 2014-05-04
     * @return ResponseCore
     */
    public function get_bucket_cors($bucket, $options = NULL){
        //options
        $this->validate_options($options);

        if(!$options){
            $options = array();
        }

        //bucket
        $this->is_empty($bucket,OSS_BUCKET_IS_NOT_ALLOWED_EMPTY);

        $options[self::OSS_BUCKET] = $bucket;
        $options[self::OSS_METHOD] = self::OSS_HTTP_GET;
        $options[self::OSS_OBJECT] = '/';
        $options[self::OSS_SUB_RESOURCE] = 'cors';
        $response = $this->auth ($options);

        return $response;
    }

    /**
     * Delete Bucket's Cors
     * @param string $bucket (Required)
     * @param array $options (Optional)
     * @throws OSS_Exception
     * @author lijie.ma@alibaba-inc.com
     * @since 2014-05-04
     * @return ResponseCore
     */
    public function delete_bucket_cors($bucket, $options = NULL){
        //options
        $this->validate_options($options);

        if(!$options){
            $options = array();
        }

        //bucket
        $this->is_empty($bucket,OSS_BUCKET_IS_NOT_ALLOWED_EMPTY);

        $options[self::OSS_BUCKET] = $bucket;
        $options[self::OSS_METHOD] = self::OSS_HTTP_DELETE;
        $options[self::OSS_OBJECT] = '/';
        $options[self::OSS_SUB_RESOURCE] = 'cors';
        $response = $this->auth ($options);

        return $response;
    }

    /**
     * Options Object
     * @param string $bucket (Required)
     * @param array $options_request  (Required)
     * @param array $options (Optional)
     * @throws OSS_Exception
     * @author xiaobing.meng@alibaba-inc.com
     * @since 2011-11-14
     * @return ResponseCore
     */
    public function options_object($bucket, $object, $origin, $request_method, $request_headers, $options = NULL){
        //options
        $this->validate_options($options);

        if(!$options){
            $options = array();
        }

        //bucket
        $this->is_empty($bucket,OSS_BUCKET_IS_NOT_ALLOWED_EMPTY);

        $options[self::OSS_BUCKET] = $bucket;
        $options[self::OSS_METHOD] = self::OSS_HTTP_OPTIONS;
        $options[self::OSS_OBJECT] = $object;
        $options[self::OSS_HEADERS] = array(self::OSS_OPTIONS_ORIGIN => $origin, self::OSS_OPTIONS_REQUEST_HEADERS => $request_headers, self::OSS_OPTIONS_REQUEST_METHOD => $request_method);
        $response = $this->auth ( $options );

        return $response;
    }
    /*%******************************************************************************************************%*/
    //Object Operation

    /**
     * List Object
     * @param string $bucket (Required)
     * @param array $options (Optional)
     * 其中options中的参数如下
     * $options = array(
     * 		'max-keys' 	=> max-keys用于限定此次返回object的最大数，如果不设定，默认为100，max-keys取值不能大于100。
     * 		'prefix'	=> 限定返回的object key必须以prefix作为前缀。注意使用prefix查询时，返回的key中仍会包含prefix。
     * 		'delimiter' => 是一个用于对Object名字进行分组的字符。所有名字包含指定的前缀且第一次出现delimiter字符之间的object作为一组元素
     * 		'marker'	=> 用户设定结果从marker之后按字母排序的第一个开始返回。
     * )
     * 其中 prefix，marker用来实现分页显示效果，参数的长度必须小于256字节。
     * @throws OSS_Exception
     * @author xiaobing.meng@alibaba-inc.com
     * @since 2011-11-14
     * @return ResponseCore
     */
    public function list_object($bucket, $options = NULL){
        //options
        $this->validate_options($options);

        if(!$options){
            $options = array();
        }

        //bucket
        $this->is_empty($bucket,OSS_BUCKET_IS_NOT_ALLOWED_EMPTY);

        $options[self::OSS_BUCKET] = $bucket;
        $options[self::OSS_METHOD] = self::OSS_HTTP_GET;
        $options[self::OSS_OBJECT] = '/';
        $options[self::OSS_HEADERS] = array(
            self::OSS_DELIMITER => isset($options[self::OSS_DELIMITER])?$options[self::OSS_DELIMITER]:'/',
            self::OSS_PREFIX => isset($options[self::OSS_PREFIX])?$options[self::OSS_PREFIX]:'',
            self::OSS_MAX_KEYS => isset($options[self::OSS_MAX_KEYS])?$options[self::OSS_MAX_KEYS]:self::OSS_MAX_KEYS_VALUE,
            self::OSS_MARKER => isset($options[self::OSS_MARKER])?$options[self::OSS_MARKER]:'',
        );

        $response = $this->auth ( $options );

        return $response;

    }

    /**
     * 创建目录(目录和文件的区别在于，目录最后增加'/')
     * @param string $bucket
     * @param string $object
     * @param array $options
     * @author xiaobing.meng@alibaba-inc.com
     * @since 2011-11-14
     * @return ResponseCore
     */
    public function create_object_dir($bucket, $object, $options = NULL){
        //options
        $this->validate_options($options);

        if(!$options){
            $options = array();
        }

        //bucket
        $this->is_empty($bucket,OSS_BUCKET_IS_NOT_ALLOWED_EMPTY);

        //object
        $this->is_empty($object,OSS_OBJECT_IS_NOT_ALLOWED_EMPTY);

        $options[self::OSS_BUCKET] = $bucket;
        $options[self::OSS_METHOD] = self::OSS_HTTP_PUT;
        $options[self::OSS_OBJECT] = $object.'/';   //虚拟目录需要以'/结尾'
        $options[self::OSS_CONTENT_LENGTH] = array(self::OSS_CONTENT_LENGTH => 0);

        $response = $this->auth ( $options );

        return $response;
    }

    /**
     * 通过在http body中添加内容来上传文件，适合比较小的文件
     * 根据api约定，需要在http header中增加content-length字段
     * @param string $bucket (Required)
     * @param string $object (Required)
     * @param string $content (Required)
     * @param array $options (Optional)
     * @author xiaobing.meng@alibaba-inc.com
     * @since 2011-11-14
     * @return ResponseCore
     */
    public function upload_file_by_content($bucket, $object, $options = NULL){
        //options
        $this->validate_options($options);

        if(!$options){
            $options = array();
        }

        //bucket
        $this->is_empty($bucket,OSS_BUCKET_IS_NOT_ALLOWED_EMPTY);

        //object
        $this->is_empty($object,OSS_OBJECT_IS_NOT_ALLOWED_EMPTY);

        //内容校验
        $this->validate_content($options);


        $objArr = explode('/', $object);
        $basename = array_pop($objArr);
        $extension = explode ( '.', $basename );
        $extension = array_pop ( $extension );
        $content_type = MimeTypes::get_mimetype(strtolower($extension));

        $options[self::OSS_BUCKET] = $bucket;
        $options[self::OSS_METHOD] = self::OSS_HTTP_PUT;
        $options[self::OSS_OBJECT] = $object;

        if(!isset($options[self::OSS_LENGTH])){
            $options[self::OSS_CONTENT_LENGTH] = strlen($options[self::OSS_CONTENT]);
        }else{
            $options[self::OSS_CONTENT_LENGTH] = $options[self::OSS_LENGTH];
        }

        if(!isset($options[self::OSS_CONTENT_TYPE]) && isset($content_type) && !empty($content_type) ){
            $options[self::OSS_CONTENT_TYPE] = $content_type;
        }

        $response = $this->auth ( $options );

        return $response;
    }

    /**
     * 上传文件，适合比较大的文件
     * @param string $bucket (Required)
     * @param string $object (Required)
     * @param string $file (Required)
     * @param array $options (Optional)
     * @author xiaobing.meng@alibaba-inc.com
     * @since 2012-02-28
     * @return ResponseCore
     */
    public function upload_file_by_file($bucket, $object, $file, $options = NULL){
        //options
        $this->validate_options($options);

        if(!$options){
            $options = array();
        }

        //bucket
        $this->is_empty($bucket,OSS_BUCKET_IS_NOT_ALLOWED_EMPTY);

        //object
        $this->is_empty($object,OSS_OBJECT_IS_NOT_ALLOWED_EMPTY);

        //file
        $this->is_empty($file, OSS_FILE_PATH_IS_NOT_ALLOWED_EMPTY);

        if($this->chk_chinese($file)){
            $file = iconv('utf-8','gbk',$file);
        }

        $options[self::OSS_FILE_UPLOAD] = $file;

        if(!file_exists($options[self::OSS_FILE_UPLOAD])){
            throw new OSS_Exception($options[self::OSS_FILE_UPLOAD].OSS_FILE_NOT_EXIST);
        }

        $filesize = filesize($options[self::OSS_FILE_UPLOAD]);
        $partsize = 1024 * 1024 ; //默认为 1M


        $extension = explode ( '.', $file );
        $extension = array_pop ( $extension );
        $content_type = MimeTypes::get_mimetype(strtolower($extension));

        $options[self::OSS_METHOD] = self::OSS_HTTP_PUT;
        $options[self::OSS_BUCKET] = $bucket;
        $options[self::OSS_OBJECT] = $object;
        $options[self::OSS_CONTENT_TYPE] = $content_type;
        $options[self::OSS_CONTENT_LENGTH] = $filesize;

        $response = $this->auth($options);
        return $response;
    }


    /**
     * 拷贝Object
     * @param string $bucket (Required)
     * @param string $from_object (Required)
     * @param string $to_object (Required)
     * @param string $options (Optional)
     * @author xiaobing.meng@alibaba-inc.com
     * @since 2011-12-21
     * @return ResponseCore
     */
    public function copy_object($from_bucket, $from_object, $to_bucket, $to_object, $options = NULL){
        //options
        $this->validate_options($options);

        if(!$options){
            $options = array();
        }

        //from bucket
        $this->is_empty($from_bucket,OSS_BUCKET_IS_NOT_ALLOWED_EMPTY);

        //to bucket
        $this->is_empty($to_bucket,OSS_BUCKET_IS_NOT_ALLOWED_EMPTY);

        //from object
        $this->is_empty($from_object,OSS_OBJECT_IS_NOT_ALLOWED_EMPTY);

        //to object
        $this->is_empty($to_object,OSS_OBJECT_IS_NOT_ALLOWED_EMPTY);

        $options[self::OSS_BUCKET] = $to_bucket;
        $options[self::OSS_METHOD] = self::OSS_HTTP_PUT;
        $options[self::OSS_OBJECT] = $to_object;
        $options[self::OSS_HEADERS] = array(self::OSS_OBJECT_COPY_SOURCE => '/'.$from_bucket.'/'.$from_object);

        $response = $this->auth ( $options );

        return $response;
    }

    /**
     * 获得object的meta信息
     * @param string $bucket (Required)
     * @param string $object (Required)
     * @param string $options (Optional)
     * @author xiaobing.meng@alibaba-inc.com
     * @since 2011-11-14
     * @return ResponseCore
     */
    public function get_object_meta($bucket, $object, $options = NULL){
        //options
        $this->validate_options($options);

        if(!$options){
            $options = array();
        }

        //bucket
        $this->is_empty($bucket,OSS_BUCKET_IS_NOT_ALLOWED_EMPTY);

        //object
        $this->is_empty($object,OSS_OBJECT_IS_NOT_ALLOWED_EMPTY);

        $options[self::OSS_BUCKET] = $bucket;
        $options[self::OSS_METHOD] = self::OSS_HTTP_HEAD;
        $options[self::OSS_OBJECT] = $object;

        $response = $this->auth ( $options );

        return $response;
    }

    /**
     * 删除object
     * @param string $bucket(Required)
     * @param string $object (Required)
     * @param array $options (Optional)
     * @author xiaobing.meng@alibaba-inc.com
     * @since 2011-11-14
     * @return ResponseCore
     */
    public function delete_object($bucket, $object, $options = NULL){
        //options
        $this->validate_options($options);

        if(!$options){
            $options = array();
        }

        //bucket
        $this->is_empty($bucket,OSS_BUCKET_IS_NOT_ALLOWED_EMPTY);

        //object
        $this->is_empty($object,OSS_OBJECT_IS_NOT_ALLOWED_EMPTY);

        $options[self::OSS_BUCKET] = $bucket;
        $options[self::OSS_METHOD] = self::OSS_HTTP_DELETE;
        $options[self::OSS_OBJECT] = $object;

        $response = $this->auth ( $options );

        return $response;
    }

    /**
     * 批量删除objects
     * @param string $bucket(Required)
     * @param array $objects (Required)
     * @param array $options (Optional)
     * @author xiaobing.meng@alibaba-inc.com
     * @since 2012-03-09
     * @return ResponseCore
     */
    public function delete_objects($bucket, $objects, $options = null){
        //options
        $this->validate_options($options);

        if(!$options){
            $options = array();
        }

        //bucket
        $this->is_empty($bucket,OSS_BUCKET_IS_NOT_ALLOWED_EMPTY);

        //objects
        if(!is_array($objects) || !$objects){
            throw new OSS_Exception('The ' . __FUNCTION__ . ' method requires the "objects" option to be set as an array.');
        }

        $options[self::OSS_METHOD] = self::OSS_HTTP_POST;
        $options[self::OSS_BUCKET] = $bucket;
        $options[self::OSS_OBJECT] = '/';
        $options[self::OSS_SUB_RESOURCE] = 'delete';
        $options[self::OSS_CONTENT_TYPE] = 'application/xml';

        $xml = new SimpleXMLElement('<?xml version="1.0" encoding="utf-8"?><Delete></Delete>');

        // Quiet mode?
        if (isset($options['quiet'])){
            $quiet = 'false';
            if (is_bool($options['quiet'])) { //Boolean
                $quiet = $options['quiet'] ? 'true' : 'false';
            }elseif (is_string($options['quiet'])){ // String
                $quiet = ($options['quiet'] === 'true') ? 'true' : 'false';
            }

            $xml->addChild('Quiet', $quiet);
        }

        // Add the objects
        foreach ($objects as $object){
            $xobject = $xml->addChild('Object');
            $object = $this->s_replace($object);
            $xobject->addChild('Key', $object);
        }

        $options[self::OSS_CONTENT] = $xml->asXML();

        return $this->auth($options);
    }

    /**
     * 获得Object内容
     * @param string $bucket(Required)
     * @param string $object (Required)
     * @param array $options (Optional)
     * @author xiaobing.meng@alibaba-inc.com
     * @since 2011-11-14
     * @return ResponseCore
     */
    public function get_object($bucket, $object, $options = NULL){
        //options
        $this->validate_options($options);

        if(!$options){
            $options = array();
        }

        //bucket
        $this->is_empty($bucket,OSS_BUCKET_IS_NOT_ALLOWED_EMPTY);

        //object
        $this->is_empty($object,OSS_OBJECT_IS_NOT_ALLOWED_EMPTY);

        if(isset($options[self::OSS_FILE_DOWNLOAD]) && $this->chk_chinese($options[self::OSS_FILE_DOWNLOAD])){
            $options[self::OSS_FILE_DOWNLOAD] = iconv('utf-8','gbk',$options[self::OSS_FILE_DOWNLOAD]);
        }

        $options[self::OSS_BUCKET] = $bucket;
        $options[self::OSS_METHOD] = self::OSS_HTTP_GET;
        $options[self::OSS_OBJECT] = $object;

        if(isset($options['lastmodified'])){
            $options[self::OSS_HEADERS][self::OSS_IF_MODIFIED_SINCE] = $options['lastmodified'];
            unset($options['lastmodified']);
        }

        if(isset($options['etag'])){
            $options[self::OSS_HEADERS][self::OSS_IF_NONE_MATCH] = $options['etag'];
            unset($options['etag']);
        }

        if(isset($options['range'])){
            $options[self::OSS_HEADERS][self::OSS_RANGE] = 'bytes=' . $options['range'];
            unset($options['range']);
        }

        return $this->auth ( $options );
    }

    /**
     * 检测Object是否存在
     * @param string $bucket(Required)
     * @param string $object (Required)
     * @param array $options (Optional)
     * @author xiaobing.meng@alibaba-inc.com
     * @since 2011-11-14
     * @return boolean
     */
    public function is_object_exist($bucket, $object, $options = NULL){
        //options
        $this->validate_options($options);

        if(!$options){
            $options = array();
        }

        //bucket
        $this->is_empty($bucket,OSS_BUCKET_IS_NOT_ALLOWED_EMPTY);

        //object
        $this->is_empty($object,OSS_OBJECT_IS_NOT_ALLOWED_EMPTY);

        $options[self::OSS_BUCKET] = $bucket;
        $options[self::OSS_METHOD] = self::OSS_HTTP_GET;
        $options[self::OSS_OBJECT] = $object;

        $response = $this->get_object_meta($bucket, $object,$options);

        return $response;
    }


    /*%******************************************************************************************************%*/
    //Multi Part相关操作

    /**
     * 计算文件可以分成多少个part，以及每个part的长度以及起始位置
     * 方法必须在 <upload_part()>中调用
     *
     * @param integer $filesize (Required) 文件大小
     * @param integer $part_size (Required) part大小,默认5M
     * @return array An array 包含 key-value 键值对. Key 为 `seekTo` 和 `length`.
     */
    public function get_multipart_counts($filesize, $part_size = 5242880 ){
        $i = 0;
        $sizecount = $filesize;
        $values = array();

        if((integer)$part_size <= 5242880){
            $part_size = 5242880;	//5M
        }elseif ((integer)$part_size > 524288000){
            $part_size = 524288000; //500M
        }else{
            $part_size = 52428800; //50M
        }

        while ($sizecount > 0)
        {
            $sizecount -= $part_size;
            $values[] = array(
                self::OSS_SEEK_TO => ($part_size * $i),
                self::OSS_LENGTH => (($sizecount > 0) ? $part_size : ($sizecount + $part_size)),
            );
            $i++;
        }

        return $values;
    }

    /**
     * 初始化multi-part upload，并且返回uploadId
     * @param string $bucket (Required) Bucket名称
     * @param string $object (Required) Object名称
     * @param array $options (Optional) Key-Value数组，其中可以包括以下的key
     * @return ResponseCore
     */
    public function initiate_multipart_upload($bucket, $object, $options = NULL){
        //options
        $this->validate_options($options);

        if(!$options){
            $options = array();
        }

        //bucket
        $this->is_empty($bucket,OSS_BUCKET_IS_NOT_ALLOWED_EMPTY);

        //object
        $this->is_empty($object,OSS_OBJECT_IS_NOT_ALLOWED_EMPTY);

        // 发送请求
        $options[self::OSS_METHOD] = self::OSS_HTTP_POST;
        $options[self::OSS_BUCKET] = $bucket;
        $options[self::OSS_OBJECT] = $object;
        $options[self::OSS_SUB_RESOURCE] = 'uploads';
        $options[self::OSS_CONTENT] = '';
        //$options[self::OSS_CONTENT_LENGTH] = 0;
        $options[self::OSS_HEADERS] = array(self::OSS_CONTENT_TYPE => 'application/octet-stream');

        $response = $this->auth ( $options );

        return $response;
    }

    /**
     * 上传part
     * @param string $bucket (Required) Bucket名称
     * @param string $object (Required) Object名称
     * @param string $upload_id (Required) uploadId
     * @param array $options (Optional) Key-Value数组，其中可以包括以下的key
     * @return ResponseCore
     */
    public function upload_part($bucket, $object, $upload_id, $options = null){
        //options
        $this->validate_options($options);

        if(!$options){
            $options = array();
        }

        //bucket
        $this->is_empty($bucket,OSS_BUCKET_IS_NOT_ALLOWED_EMPTY);

        //object
        $this->is_empty($object,OSS_OBJECT_IS_NOT_ALLOWED_EMPTY);

        if (!isset($options[self::OSS_FILE_UPLOAD]) || !isset($options['partNumber'])){
            throw new OSS_Exception('The `fileUpload` and `partNumber` options are both required in ' . __FUNCTION__ . '().');
        }

        $options[self::OSS_METHOD] = self::OSS_HTTP_PUT;
        $options[self::OSS_BUCKET] = $bucket;
        $options[self::OSS_OBJECT] = $object;
        $options[self::OSS_UPLOAD_ID] = $upload_id;

        if(isset($options[self::OSS_LENGTH])){
            $options[self::OSS_CONTENT_LENGTH] =  $options[self::OSS_LENGTH];
        }

        return $this->auth($options);
    }

    /**
     * list part
     * @param string $bucket (Required) Bucket名称
     * @param string $object (Required) Object名称
     * @param string $upload_id (Required) uploadId
     * @param array $options (Optional) Key-Value数组，其中可以包括以下的key
     * @return ResponseCore
     */
    public function list_parts($bucket, $object, $upload_id, $options = null){
        //options
        $this->validate_options($options);

        if(!$options){
            $options = array();
        }

        //bucket
        $this->is_empty($bucket,OSS_BUCKET_IS_NOT_ALLOWED_EMPTY);

        //object
        $this->is_empty($object,OSS_OBJECT_IS_NOT_ALLOWED_EMPTY);

        $options[self::OSS_METHOD] = self::OSS_HTTP_GET;
        $options[self::OSS_BUCKET] = $bucket;
        $options[self::OSS_OBJECT] = $object;
        $options[self::OSS_UPLOAD_ID] = $upload_id;
        $options[self::OSS_QUERY_STRING] = array();

        foreach (array('max-parts', 'part-number-marker') as $param){
            if (isset($options[$param])){
                $options[self::OSS_QUERY_STRING][$param] = $options[$param];
                unset($options[$param]);
            }
        }

        return $this->auth($options);
    }

    /**
     * 中止上传mulit-part upload
     * @param string $bucket (Required) Bucket名称
     * @param string $object (Required) Object名称
     * @param string $upload_id (Required) uploadId
     * @param array $options (Optional) Key-Value数组，其中可以包括以下的key
     * @return ResponseCore
     */
    public function abort_multipart_upload($bucket, $object, $upload_id, $options = NULL){
        //options
        $this->validate_options($options);

        if(!$options){
            $options = array();
        }

        //bucket
        $this->is_empty($bucket,OSS_BUCKET_IS_NOT_ALLOWED_EMPTY);

        //object
        $this->is_empty($object,OSS_OBJECT_IS_NOT_ALLOWED_EMPTY);

        $options[self::OSS_METHOD] = self::OSS_HTTP_DELETE;
        $options[self::OSS_BUCKET] = $bucket;
        $options[self::OSS_OBJECT] = $object;
        $options[self::OSS_UPLOAD_ID] = $upload_id;

        return $this->auth($options);
    }

    /**
     * 完成multi-part上传
     * @param string $bucket (Required) Bucket名称
     * @param string $object (Required) Object名称
     * @param string $upload_id (Required) uploadId
     * @param string $parts xml格式文件
     * @param array $options (Optional) Key-Value数组，其中可以包括以下的key
     * @return ResponseCore
     */
    public function complete_multipart_upload($bucket, $object, $upload_id, $parts, $options = NULL){
        //options
        $this->validate_options($options);

        if(!$options){
            $options = array();
        }

        //bucket
        $this->is_empty($bucket,OSS_BUCKET_IS_NOT_ALLOWED_EMPTY);

        //object
        $this->is_empty($object,OSS_OBJECT_IS_NOT_ALLOWED_EMPTY);

        $options[self::OSS_METHOD] = self::OSS_HTTP_POST;
        $options[self::OSS_BUCKET] = $bucket;
        $options[self::OSS_OBJECT] = $object;
        $options[self::OSS_UPLOAD_ID] = $upload_id;
        $options[self::OSS_CONTENT_TYPE] = 'application/xml';


        if(is_string($parts)){
            $options[self::OSS_CONTENT] = $parts;
        }else if($parts instanceof SimpleXMLElement){
            $options[self::OSS_CONTENT] = $parts->asXML();
        }else if((is_array($parts) || $parts instanceof ResponseCore)){
            $xml = new SimpleXMLElement('<?xml version="1.0" encoding="utf-8"?><CompleteMultipartUpload></CompleteMultipartUpload>');

            if (is_array($parts)){
                //生成关联的xml
                foreach ($parts as $node){
                    $part = $xml->addChild('Part');
                    $part->addChild('PartNumber', $node['PartNumber']);
                    $part->addChild('ETag', $node['ETag']);
                }
            }elseif ($parts instanceof ResponseCore){
                foreach ($parts->body->Part as $node){
                    $part = $xml->addChild('Part');
                    $part->addChild('PartNumber', (string) $node->PartNumber);
                    $part->addChild('ETag', (string) $node->ETag);
                }
            }

            $options[self::OSS_CONTENT] = $xml->asXML();
        }

        return $this->auth($options);
    }

    /**
     * 列出multipart上传
     * @param string $bucket (Requeired) bucket
     * @param array $options (Optional) 关联数组
     * @author xiaobing.meng@alibaba-inc.com
     * @since 2012-03-05
     * @return ResponseCore
     */
    public function list_multipart_uploads($bucket, $options = null){
        //options
        $this->validate_options($options);

        if(!$options){
            $options = array();
        }

        //bucket
        $this->is_empty($bucket,OSS_BUCKET_IS_NOT_ALLOWED_EMPTY);

        $options[self::OSS_METHOD] = self::OSS_HTTP_GET;
        $options[self::OSS_BUCKET] = $bucket;
        $options[self::OSS_OBJECT] = '/';
        $options[self::OSS_SUB_RESOURCE] = 'uploads';

        foreach (array('key-marker', 'max-uploads', 'upload-id-marker') as $param){
            if (isset($options[$param])){
                $options[self::OSS_QUERY_STRING][$param] = $options[$param];
                unset($options[$param]);
            }
        }

        return $this->auth($options);
    }

    /**
     * multipart上传统一封装，从初始化到完成multipart，以及出错后中止动作
     * @param unknown_type $bucket
     * @param unknown_type $object
     * @param unknown_type $options
     * @author xiaobing.meng@alibaba-inc.com
     * @since 2012-03-05
     * @return ResponseCore
     */
    public function create_mpu_object($bucket, $object, $options = null){
        //options
        $this->validate_options($options);

        if(!$options){
            $options = array();
        }

        //bucket
        $this->is_empty($bucket,OSS_BUCKET_IS_NOT_ALLOWED_EMPTY);

        //object
        $this->is_empty($object,OSS_OBJECT_IS_NOT_ALLOWED_EMPTY);

        if(isset($options[self::OSS_LENGTH])){
            $options[self::OSS_CONTENT_LENGTH] = $options[self::OSS_LENGTH];
            unset($options[self::OSS_LENGTH]);
        }

        if(isset($options[self::OSS_FILE_UPLOAD])){
            if($this->chk_chinese($options[self::OSS_FILE_UPLOAD])){
                $options[self::OSS_FILE_UPLOAD] = mb_convert_encoding($options[self::OSS_FILE_UPLOAD],'UTF-8');
            }
        }

        if(!isset($options[self::OSS_FILE_UPLOAD])){
            throw new OSS_Exception('The `fileUpload` option is required in ' . __FUNCTION__ . '().');
        }elseif (is_resource($options[self::OSS_FILE_UPLOAD])){
            $upload_position = isset($options[self::OSS_SEEK_TO]) ? (integer) $options[self::OSS_SEEK_TO] : ftell($options[self::OSS_FILE_UPLOAD]);
            $upload_filesize = isset($options[self::OSS_CONTENT_LENGTH]) ? (integer) $options[self::OSS_CONTENT_LENGTH] : null;

            if (!isset($upload_filesize) && $upload_position !== false){
                $stats = fstat($options[self::OSS_FILE_UPLOAD]);

                if ($stats && $stats[self::OSS_SIZE] >= 0){
                    $upload_filesize = $stats[self::OSS_SIZE] - $upload_position;
                }
            }
        }else{
            $upload_position = isset($options[self::OSS_SEEK_TO]) ? (integer) $options[self::OSS_SEEK_TO] : 0;

            if (isset($options[self::OSS_CONTENT_TYPE])){
                $upload_filesize = (integer) $options[self::OSS_CONTENT_TYPE];
            }
            else{
                $upload_filesize = filesize($options[self::OSS_FILE_UPLOAD]);

                if ($upload_filesize !== false){
                    $upload_filesize -= $upload_position;
                }
            }
        }

        if ($upload_position === false || !isset($upload_filesize) || $upload_filesize === false || $upload_filesize < 0){
            throw new OSS_Exception('The size of `fileUpload` cannot be determined in ' . __FUNCTION__ . '().');
        }

        // 处理partSize
        if (isset($options[self::OSS_PART_SIZE])){
            // 小于5M
            if ((integer) $options[self::OSS_PART_SIZE] <= 5242880){
                $options[self::OSS_PART_SIZE] = 5242880; // 5 MB
            }
            // 大于500M
            elseif ((integer) $options[self::OSS_PART_SIZE] > 524288000){
                $options[self::OSS_PART_SIZE] = 524288000; // 500 MB
            }
        }
        else{
            $options[self::OSS_PART_SIZE] = 52428800; // 50 MB
        }

        // 如果上传的文件小于partSize,则直接使用普通方式上传
        if ($upload_filesize < $options[self::OSS_PART_SIZE] && !isset($options['uploadId'])){
            return $this->upload_file_by_file($bucket, $object, $options[self::OSS_FILE_UPLOAD]);
        }

        // 初始化multipart
        if (isset($options['uploadId'])){
            $upload_id = $options['uploadId'];
        }else{
            //初始化
            $upload = $this->initiate_multipart_upload($bucket, $object);

            if (!$upload->isOK()){
                throw new OSS_Exception('Init multi-part upload failed...');
            }
            $xml = new SimpleXmlIterator($upload->body);
            $uploadId = (string)$xml->UploadId;
        }

        // 或的分片
        $pieces = $this->get_multipart_counts($upload_filesize, (integer) $options[self::OSS_PART_SIZE]);

        $response_upload_part = array();
        foreach ($pieces as $i => $piece){
            $response_upload_part[] = $this->upload_part($bucket, $object, $uploadId, array(
                //'expect' => '100-continue',
                self::OSS_FILE_UPLOAD => $options[self::OSS_FILE_UPLOAD],
                'partNumber' => ($i + 1),
                self::OSS_SEEK_TO => $upload_position + (integer) $piece[self::OSS_SEEK_TO],
                self::OSS_LENGTH => (integer) $piece[self::OSS_LENGTH],
            ));
        }

        $upload_parts = array();
        $upload_part_result = true;

        foreach ($response_upload_part as $i=>$response){
            $upload_part_result = $upload_part_result && $response->isOk();
        }

        if(!$upload_part_result){
            throw new OSS_Exception('any part upload failed...,pls try again');
        }

        foreach ($response_upload_part as $i=>$response){
            $upload_parts[] = array(
                'PartNumber' => ($i + 1),
                'ETag' => (string) $response->header['etag']
            );
        }

        return $this->complete_multipart_upload($bucket, $object, $uploadId, $upload_parts);
    }


    /**
     * 通过Multi-Part方式上传整个目录，其中的object默认为文件名
     * @param string $bucket (Required)
     * @param string $dir  (Required) 必选
     * @param boolean $recursive (Optional) 是否递归，如果为true，则递归读取所有目录，默认为不递归读取
     * @param string $exclude 需要过滤的文件
     * @param array $options (Optional) 关联数组
     * @author xiaobing.meng@alibaba-inc.com
     * @since 2012-03-05
     * @return ResponseCore
     */
    public function create_mtu_object_by_dir($bucket, $dir, $recursive = false, $exclude = ".|..|.svn", $options = null){
        //options
        $this->validate_options($options);

        //bucket
        $this->is_empty($bucket,OSS_BUCKET_IS_NOT_ALLOWED_EMPTY);

        if($this->chk_chinese($dir)){
            $dir = iconv('utf-8','gbk',$dir);
        }

        //判断是否目录
        if(!is_dir($dir)){
            throw new OSS_Exception($dir.' is not a directory...,pls check it');
        }

        $file_list_array = $this->read_dir($dir,$exclude,$recursive);

        if(!$file_list_array){
            throw new OSS_Exception($dir.' is empty...');
        }

        $index = 1;

        foreach ($file_list_array as $item){
            $options = array(
                self::OSS_FILE_UPLOAD => $item['path'],
                self::OSS_PART_SIZE => 5242880,
            );

            echo $index++.". ";
            $response = $this->create_mpu_object($bucket, $item['file'],$options);
            if($response->isOK()){
                echo "Upload file {".$item['path']." } successful..\n";
            }else{
                echo "Upload file {".$item['path']." } failed..\n";
                continue;
            }
        }
    }

    /**
     * 通过multi-part方式上传目录(优化版)
     * $options = array(
     * 		'bucket' 	=>  (Required)
     * 		'object' 	=>  (Optional)
     * 		'directory' =>  (Required)
     * 		'exclude'	=>  (Optional)
     * 		'recursive' =>  (Optional)
     * )
     */
    public function batch_upload_file($options = NULL){
        if((NULL == $options) || !isset($options['bucket']) || empty($options['bucket']) || !isset($options['directory']) ||empty($options['directory']) ) {
            throw new OSS_Exception('Bad Request',400);
        }

        $bucket = $options['bucket']; unset($options['bucket']);

        $directory = $options['directory']; unset($options['directory']);
        if($this->chk_chinese($directory)){
            $directory = iconv('utf-8','gbk',$directory);
        }

        //判断是否目录
        if(!is_dir($directory)){
            throw new OSS_Exception($dir.' is not a directory...,pls check it');
        }

        $object = '';
        if(isset($options['object'])){
            $object = $options['object'];
            unset($options['object']);
        }

        $exclude = '.|..|.svn';
        if (isset($options['exclude']) && !empty($options['exclude'])){
            $exclude = $options['exclude'];
            unset($options['exclude']);
        }

        $recursive = false;
        if(isset($options['recursive']) && !empty($options['recursive'])){
            if(in_array($options['recursive'],array(true,false))){
                $recursive = $options['recursive'];
            }
            unset($options['recursive']);
        }

        //read directory
        $file_list_array = $this->read_dir($directory,$exclude,$recursive);

        if(!$file_list_array){
            throw new OSS_Exception($directory.' is empty...');
        }

        $index = 1;

        foreach ($file_list_array as $item){
            $options = array(
                self::OSS_FILE_UPLOAD => $item['path'],
                self::OSS_PART_SIZE => 5242880,
            );

            echo $index++.". ";
            $response = $this->create_mpu_object($bucket, (!empty($object)?$object.'/':'').$item['file'],$options);
            if($response->isOK()){
                echo "Upload file {".$item['path']." } successful..\n";
            }else{
                echo "Upload file {".$item['path']." } failed..\n";
                continue;
            }
        }
    }


    /*%******************************************************************************************************%*/
    //Object Group相关操作

    /**
     * 创建Object Group
     * @param string $object_group (Required)  Object Group名称
     * @param string $bucket (Required) Bucket名称
     * @param array $object_arry (Required) object数组，所有的object必须在同一个bucket下
     * 其中$object 数组的格式如下:
     * $object = array(
     * 		$object1,
     * 		$object2,
     * 		...
     * )
     * @param array $options (Optional)
     * @author xiaobing.meng@alibaba-inc.com
     * @since 2011-11-14
     * @return ResponseCore
     */
    public function create_object_group($bucket, $object_group, $object_arry, $options = NULL){
        //options
        $this->validate_options($options);

        //bucket
        $this->is_empty($bucket,OSS_BUCKET_IS_NOT_ALLOWED_EMPTY);

        //object group
        $this->is_empty($object_group,OSS_OBJECT_GROUP_IS_NOT_ALLOWED_EMPTY);

        $options[self::OSS_BUCKET] = $bucket;
        $options[self::OSS_METHOD] = self::OSS_HTTP_POST;
        $options[self::OSS_OBJECT] = $object_group;
        $options[self::OSS_CONTENT_TYPE] = 'txt/xml';  //重设Content-Type
        $options[self::OSS_SUB_RESOURCE] = 'group';	   //设置?group
        $options[self::OSS_CONTENT] = $this->make_object_group_xml($bucket,$object_arry);   //格式化xml

        $response = $this->auth ( $options );

        return $response;
    }

    /**
     * 获取Object Group
     * @param string $object_group (Required)
     * @param string $bucket	(Required)
     * @param array $options	(Optional)
     * @author xiaobing.meng@alibaba-inc.com
     * @since 2011-11-14
     * @return ResponseCore
     */
    public function get_object_group($bucket, $object_group, $options = NULL){
        //options
        $this->validate_options($options);

        //bucket
        $this->is_empty($bucket,OSS_BUCKET_IS_NOT_ALLOWED_EMPTY);

        //object group
        $this->is_empty($object_group,OSS_OBJECT_GROUP_IS_NOT_ALLOWED_EMPTY);

        $options[self::OSS_BUCKET] = $bucket;
        $options[self::OSS_METHOD] = self::OSS_HTTP_GET;
        $options[self::OSS_OBJECT] = $object_group;
        //$options[self::OSS_OBJECT_GROUP] = true;	   //设置?group
        //$options[self::OSS_CONTENT_TYPE] = 'txt/xml';  //重设Content-Type
        $options[self::OSS_HEADERS] = array(self::OSS_OBJECT_GROUP => self::OSS_OBJECT_GROUP);  //header中的x-oss-file-group不能为空，否则返回值错误

        $response = $this->auth ( $options );

        return $response;
    }

    /**
     * 获取Object Group 的Object List信息
     * @param string $object_group (Required)
     * @param string $bucket	(Required)
     * @param array $options	(Optional)
     * @author xiaobing.meng@alibaba-inc.com
     * @since 2011-11-14
     * @return ResponseCore
     */
    public function get_object_group_index($bucket, $object_group, $options = NULL){
        //options
        $this->validate_options($options);

        //bucket
        $this->is_empty($bucket,OSS_BUCKET_IS_NOT_ALLOWED_EMPTY);

        //object group
        $this->is_empty($object_group,OSS_OBJECT_GROUP_IS_NOT_ALLOWED_EMPTY);

        $options[self::OSS_BUCKET] = $bucket;
        $options[self::OSS_METHOD] = self::OSS_HTTP_GET;
        $options[self::OSS_OBJECT] = $object_group;
        $options[self::OSS_CONTENT_TYPE] = 'application/xml';  //重设Content-Type
        //$options[self::OSS_OBJECT_GROUP] = true;	   //设置?group
        $options[self::OSS_HEADERS] = array(self::OSS_OBJECT_GROUP => self::OSS_OBJECT_GROUP);

        $response = $this->auth ( $options );

        return $response;
    }

    /**
     * 获得object group的meta信息
     * @param string $bucket (Required)
     * @param string $object_group (Required)
     * @param string $options (Optional)
     * @author xiaobing.meng@alibaba-inc.com
     * @since 2011-11-14
     * @return ResponseCore
     */
    public function get_object_group_meta($bucket, $object_group, $options = NULL){
        //options
        $this->validate_options($options);

        if(!$options){
            $options = array();
        }

        //bucket
        $this->is_empty($bucket,OSS_BUCKET_IS_NOT_ALLOWED_EMPTY);

        //object group
        $this->is_empty($object_group,OSS_OBJECT_IS_NOT_ALLOWED_EMPTY);

        $options[self::OSS_BUCKET] = $bucket;
        $options[self::OSS_METHOD] = self::OSS_HTTP_HEAD;
        $options[self::OSS_OBJECT] = $object_group;
        $options[self::OSS_CONTENT_TYPE] = 'application/xml';  //重设Content-Type
        //$options[self::OSS_SUB_RESOURCE] = 'group';	   //设置?group
        $options[self::OSS_HEADERS] = array(self::OSS_OBJECT_GROUP => self::OSS_OBJECT_GROUP);

        $response = $this->auth ( $options );

        return $response;
    }

    /**
     * 删除Object Group
     * @param string $bucket(Required)
     * @param string $object_group (Required)
     * @param array $options (Optional)
     * @author xiaobing.meng@alibaba-inc.com
     * @since 2011-11-14
     * @return ResponseCore
     */
    public function delete_object_group($bucket, $object_group, $options = NULL){
        //options
        $this->validate_options($options);

        if(!$options){
            $options = array();
        }

        //bucket
        $this->is_empty($bucket,OSS_BUCKET_IS_NOT_ALLOWED_EMPTY);

        //object group
        $this->is_empty($object_group,OSS_OBJECT_IS_NOT_ALLOWED_EMPTY);

        $options[self::OSS_BUCKET] = $bucket;
        $options[self::OSS_METHOD] = self::OSS_HTTP_DELETE;
        $options[self::OSS_OBJECT] = $object_group;

        $response = $this->auth ( $options );

        return $response;
    }


    /*%******************************************************************************************************%*/
    //带签名的url相关

    /**
     * 获取带签名的url
     * @param string $bucket (Required)
     * @param string $object (Required)
     * @param int	 $timeout (Optional)
     * @param array $options (Optional)
     * @author xiaobing.meng@alibaba-inc.com
     * @since 2011-12-21
     * @return string
     */
    public function get_sign_url($bucket, $object, $timeout = 60, $options = NULL){
        //options
        $this->validate_options($options);

        if(!$options){
            $options = array();
        }

        //bucket
        $this->is_empty($bucket,OSS_BUCKET_IS_NOT_ALLOWED_EMPTY);

        //object
        $this->is_empty($object,OSS_OBJECT_IS_NOT_ALLOWED_EMPTY);

        $options[self::OSS_BUCKET] = $bucket;
        $options[self::OSS_OBJECT] = $object;
        $options[self::OSS_METHOD] = self::OSS_HTTP_GET;
        $options[self::OSS_CONTENT_TYPE] = '';

        $timeout = time() + $timeout;
        $options[self::OSS_PREAUTH] = $timeout;
        $options[self::OSS_DATE] = $timeout;

        return $this->auth($options);
    }

    /*%******************************************************************************************************%*/
    //日志相关

    /**
     * 记录日志
     * @param string $msg (Required)
     * @throws OSS_Exception
     * @author xiaobing.meng@alibaba-inc.com
     * @since 2011-12-27
     * @return void
     */
    private function log($msg){
        if(defined('ALI_LOG_PATH') ){
            $log_path = ALI_LOG_PATH;
            if(empty($log_path) || !file_exists($log_path)){
                throw new OSS_Exception($log_path.OSS_LOG_PATH_NOT_EXIST);
            }
        }else{
            $log_path = dirname(__FILE__).DIRECTORY_SEPARATOR.'logs'.DIRECTORY_SEPARATOR;
        }

        //检测日志目录是否存在
        if(!file_exists($log_path)){
            throw new OSS_Exception(OSS_LOG_PATH_NOT_EXIST);
        }

        $log_name = $log_path.'oss_sdk_php_'.date('Y-m-d').'.log';

        if(ALI_DISPLAY_LOG){
            echo $msg."\n<br/>";
        }

        if(ALI_LOG){
            if(!error_log(date('Y-m-d H:i:s')." : ".$msg."\n", 3,$log_name)){
                throw new OSS_Exception(OSS_WRITE_LOG_TO_FILE_FAILED);
            }
        }
    }


    /*%******************************************************************************************************%*/
    //工具类相关

    /**
     * 生成query params
     * @param array $array 关联数组
     * @author xiaobing.meng@alibaba-inc.com
     * @since 2012-03-04
     * @return string 返回诸如 key1=value1&key2=value2
     */
    public function to_query_string($options = array()){
        $temp = array();

        foreach ($options as $key => $value){
            if (is_string($key) && !is_array($value)){
                $temp[] = rawurlencode($key) . '=' . rawurlencode($value);
            }
        }

        return implode('&', $temp);
    }

    /**
     * 转化十六进制的数据为base64
     *
     * @param string $str (Required) 要转化的字符串
     * @author xiaobing.meng@alibaba-inc.com
     * @since 2012-03-20
     * @return string Base64-encoded string.
     */
    private function hex_to_base64($str){
        $result = '';

        for ($i = 0; $i < strlen($str); $i += 2){
            $result .= chr(hexdec(substr($str, $i, 2)));
        }

        return base64_encode($result);
    }

    private function s_replace($subject){
        $search = array('<','>','&','\'','"');
        $replace = array('&lt;','&gt;','&amp;','&apos;','&quot;');
        return str_replace($search, $replace, $subject);
    }

    /**
     * 替换控制字符，诸如&#26; 替换为%1A
     * @param unknown $invalid_xml_chars
     */
    public function replace_invalid_xml_char($subject){
        $search = array(
            '&#01;','&#02;','&#03;','&#04;','&#05;','&#06;','&#07;','&#08;','&#09;','&#10;','&#11;','&#12;','&#13;',
            '&#14;','&#15;','&#16;','&#17;','&#18;','&#19;','&#20;','&#21;','&#22;','&#23;','&#24;','&#25;','&#26;',
            '&#27;','&#28;','&#29;','&#30;','&#31;','&#127;'
        );
        $replace = array(
            '%01','%02','%03','%04','%05','%06','%07','%08','%09','%0A','%0B','%0C','%0D',
            '%0E','%0F','%10','%11','%12','%13','%14','%15','%16','%17','%18','%19','%1A',
            '%1B','%1C','%1D','%1E','%1F','%7F'
        );

        return str_replace($search, $replace, $subject);
    }

    /**
     * 检测是否含有中文
     * @param string $subject
     * @author xiaobing.meng@alibaba-inc.com
     * @since 2012-06-06
     * @return boolean
     */
    private function chk_chinese($str){
        return preg_match('/[\x80-\xff]./', $str);
    }

    /**
     * 检测是否GB2312编码
     * @param string $str
     * @author xiaobing.meng@alibaba-inc.com
     * @since 2012-03-20
     * @return boolean false UTF-8编码  TRUE GB2312编码
     */
    function is_gb2312($str)  {
        for($i=0; $i<strlen($str); $i++) {
            $v = ord( $str[$i] );
            if( $v > 127) {
                if( ($v >= 228) && ($v <= 233) ){
                    if( ($i+2) >= (strlen($str) - 1)) return true;  // not enough characters
                    $v1 = ord( $str[$i+1] );
                    $v2 = ord( $str[$i+2] );
                    if( ($v1 >= 128) && ($v1 <=191) && ($v2 >=128) && ($v2 <= 191) )
                        return false;   //UTF-8编码
                    else
                        return true;    //GB编码
                }
            }
        }
    }


    /**
     * 检测是否GBK编码
     * @param string $str
     * @param boolean $gbk
     * @author xiaobing.meng@alibaba-inc.com
     * @since 2012-06-04
     * @return boolean
     */
    private function check_char($str, $gbk = true){
        for($i=0; $i<strlen($str); $i++) {
            $v = ord( $str[$i] );
            if( $v > 127){
                if( ($v >= 228) && ($v <= 233) ){
                    if(($i+2)>= (strlen($str)-1)) return $gbk?true:FALSE;  // not enough characters
                    $v1 = ord( $str[$i+1] ); $v2 = ord( $str[$i+2] );
                    if($gbk){
                        return (($v1 >= 128) && ($v1 <=191) && ($v2 >=128) && ($v2 <= 191))?FALSE:TRUE;//GBK
                    }else{
                        return (($v1 >= 128) && ($v1 <=191) && ($v2 >=128) && ($v2 <= 191))?TRUE:FALSE;
                    }
                }
            }
        }
        return $gbk?TRUE:FALSE;
    }


    /**
     * 读取目录
     * @param string $dir (Required) 目录名
     * @param boolean $recursive (Optional) 是否递归，默认为false
     * @author xiaobing.meng@alibaba-inc.com
     * @since 2012-03-05
     * @return array
     */
    private  function read_dir($dir, $exclude = ".|..|.svn", $recursive = false){
        static $file_list_array = array();

        $exclude_array = explode("|", $exclude);
        //读取目录
        if($handle = opendir($dir)){
            while ( false !== ($file = readdir($handle))){
                if(!in_array(strtolower($file),$exclude_array)){
                    $new_file = $dir.'/'.$file;
                    if(is_dir($new_file) && $recursive){
                        $this->read_dir($new_file,$exclude,$recursive);
                    }else{
                        $file_list_array[] = array(
                            'path' => $new_file,
                            'file' => $file,
                        );
                    }
                }
            }

            closedir($handle);
        }

        return $file_list_array;
    }


    /**
     * 转化object数组为固定个xml格式
     * @param string $bucket (Required)
     * @param array $object_array (Required)
     * @throws OSS_Exception
     * @author xiaobing.meng@alibaba-inc.com
     * @since 2011-12-27
     * @return string
     */
    private function make_object_group_xml($bucket, $object_array){
        $xml = '';
        $xml .= '<CreateFileGroup>';

        if($object_array){
            if(count($object_array) > self::OSS_MAX_OBJECT_GROUP_VALUE){
                throw new OSS_Exception(OSS_OBJECT_GROUP_TOO_MANY_OBJECT, '-401');
            }
            $index = 1;
            foreach ($object_array as $key=>$value){
                $object_meta = (array)$this->get_object_meta($bucket, $value);
                if(isset($object_meta) && isset($object_meta['status']) && isset($object_meta['header']) && isset($object_meta['header']['etag']) && $object_meta['status'] == 200){
                    $xml .= '<Part>';
                    $xml .= '<PartNumber>'.intval($index).'</PartNumber>';
                    $xml .= '<PartName>'.$value.'</PartName>';
                    $xml .= '<ETag>'.$object_meta['header']['etag'].'</ETag>';
                    $xml .= '</Part>';

                    $index++;
                }
            }
        }else{
            throw new OSS_Exception(OSS_OBJECT_ARRAY_IS_EMPTY, '-400');
        }

        $xml .= '</CreateFileGroup>';

        return $xml;
    }

    /**
     * 检验bucket名称是否合法
     * bucket的命名规范：
     * 1. 只能包括小写字母，数字
     * 2. 必须以小写字母或者数字开头
     * 3. 长度必须在3-63字节之间
     * @param string $bucket (Required)
     * @author xiaobing.meng@alibaba-inc.com
     * @since 2011-12-27
     * @return boolean
     */
    private function validate_bucket($bucket){
        $pattern = '/^[a-z0-9][a-z0-9-]{2,62}$/';
        if (! preg_match ( $pattern, $bucket )) {
            return false;
        }
        return true;
    }

    /**
     * 检验object名称是否合法
     * object命名规范:
     * 1. 规则长度必须在1-1023字节之间
     * 2. 使用UTF-8编码
     * @param string $object (Required)
     * @author xiaobing.meng@alibaba-inc.com
     * @since 2011-12-27
     * @return boolean
     */
    private function validate_object($object){
        $pattern = '/^.{1,1023}$/';
        if (empty ( $object ) || ! preg_match ( $pattern, $object )) {
            return false;
        }
        return true;
    }

    /**
     * 检验$options
     * @param array $options (Optional)
     * @throws OSS_Exception
     * @author xiaobing.meng@alibaba-inc.com
     * @since 2011-12-27
     * @return boolean
     */
    private function validate_options($options){
        //$options
        if ($options != NULL && ! is_array ( $options )) {
            throw new OSS_Exception ($options.':'.OSS_OPTIONS_MUST_BE_ARRAY);
        }
    }

    /**
     * 检测上传文件的内容
     * @param array $options (Optional)
     * @throws OSS_Exception
     * @author xiaobing.meng@alibaba-inc.com
     * @since  2011-12-27
     * @return string
     */
    private function validate_content($options){
        if(isset($options[self::OSS_CONTENT])){
            if($options[self::OSS_CONTENT] == '' || !is_string($options[self::OSS_CONTENT])){
                throw new OSS_Exception(OSS_INVALID_HTTP_BODY_CONTENT,'-600');
            }
        }else{
            throw new OSS_Exception(OSS_NOT_SET_HTTP_CONTENT, '-601');
        }
    }

    /**
     * 验证文件长度
     * @param array $options (Optional)
     * @author xiaobing.meng@alibaba-inc.com
     * @since 2011-12-27
     * @return void
     */
    private function validate_content_length($options){
        if(isset($options[self::OSS_LENGTH]) && is_numeric($options[self::OSS_LENGTH])){
            if( ! $options[self::OSS_LENGTH] > 0){
                throw new OSS_Exception(OSS_CONTENT_LENGTH_MUST_MORE_THAN_ZERO, '-602');
            }
        }else{
            throw new OSS_Exception(OSS_INVALID_CONTENT_LENGTH, '-602');
        }
    }

    /**
     * 校验BUCKET/OBJECT/OBJECT GROUP是否为空
     * @param  string $name (Required)
     * @param  string $errMsg (Required)
     * @throws OSS_Exception
     * @author xiaobing.meng@alibaba-inc.com
     * @since 2011-12-27
     * @return void
     */
    private function is_empty($name,$errMsg){
        if(empty($name)){
            throw new OSS_Exception($errMsg);
        }
    }

    /**
     * 设置http header
     * @param string $key (Required)
     * @param string $value (Required)
     * @param array $options (Required)
     * @throws OSS_Exception
     * @author xiaobing.meng@alibaba-inc.com
     * @return void
     */
    private static function set_options_header($key, $value, &$options) {
        if (isset ( $options [self::OSS_HEADERS] )) {
            if (! is_array ( $options [self::OSS_HEADERS] )) {
                throw new OSS_Exception(OSS_INVALID_OPTION_HEADERS, '-600');
            }
        } else {
            $options [self::OSS_HEADERS] = array ();
        }

        $options [self::OSS_HEADERS] [$key] = $value;
    }
}
